8956978763 has 4 divisors (see below), whose sum is σ = 8958322128. Its totient is φ = 8955635400.

The previous prime is 8956978729. The next prime is 8956978837. The reversal of 8956978763 is 3678796598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8956978763 - 2¹⁶ = 8956913227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8956978693 and 8956978702.

It is not an unprimeable number, because it can be changed into a prime (8956978963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661631 + ... + 675032.

It is an arithmetic number, because the mean of its divisors is an integer number (2239580532).

Almost surely, 2^8956978763 is an apocalyptic number.

8956978763 is a deficient number, since it is larger than the sum of its proper divisors (1343365).

8956978763 is a wasteful number, since it uses less digits than its factorization.

8956978763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343364.

The product of its digits is 137168640, while the sum is 68.

The square root of 8956978763 is about 94641.3163634150. The cubic root of 8956978763 is about 2076.7641657569.

The spelling of 8956978763 in words is "eight billion, nine hundred fifty-six million, nine hundred seventy-eight thousand, seven hundred sixty-three".